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PDF OPA650 Data sheet ( Hoja de datos )

Número de pieza OPA650
Descripción Wideband / Low Power Voltage Feedback OPERATIONAL AMPLIFIER
Fabricantes Burr-Brown 
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® OPA650
OPA650
OPA650
Wideband, Low Power Voltage Feedback
OPERATIONAL AMPLIFIER
FEATURES
q LOW POWER: 50mW
q UNITY GAIN STABLE BANDWIDTH:
560MHz
q LOW HARMONICS: –77dBc at 5MHz
q FAST SETTLING TIME: 20ns to 0.01%
q LOW INPUT BIAS CURRENT: 5µA
q DIFFERENTIAL GAIN/PHASE ERROR:
0.01%/0.03°
q HIGH OUTPUT CURRENT: 85mA
APPLICATIONS
q HIGH RESOLUTION VIDEO
q BASEBAND AMPLIFIER
q CCD IMAGING AMPLIFIER
q ULTRASOUND SIGNAL PROCESSING
q ADC/DAC GAIN AMPLIFIER
q ACTIVE FILTERS
q HIGH SPEED INTEGRATORS
q DIFFERENTIAL AMPLIFIER
DESCRIPTION
The OPA650 is a low power, wideband voltage feed-
back operational amplifier. It features a high band-
width of 560MHz as well as a 12-bit settling time of
only 20ns. The low distortion allows its use in commu-
nications applications, while the wide bandwidth and
true differential input stage make it suitable for use in
a variety of active filter applications. Its low distortion
gives exceptional performance for telecommunica-
tions, medical imaging and video applications.
The OPA650 is internally compensated for unity-gain
stability. This amplifier has a fully symmetrical differ-
ential input due to its “classical” operational amplifier
circuit architecture. Its unusual combination of speed,
accuracy and low power make it an outstanding choice
for many portable, multi-channel and other high speed
applications, where power is at a premium.
The OPA650 is also available in dual (OPA2650) and
quad (OPA4650) configurations.
+VS
Non-Inverting
Input
Inverting
Input
Current
Mirror
Output
Stage
CC
Output
–VS
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1994 Burr-Brown Corporation
PDS-11264F
OPA650Printed in U.S.A. March, 1998
®

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OPA650 pdf
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±5V, RL = 100, and RFB = 402Ω, unless otherwise noted. RFB = 25for Gain of +1.
RECOMMENDED ISOLATION RESISTANCE
vs CAPACITIVE LOAD
40
30
20
10
0
0
25
OPA650
RISO
CL 1k
20 40 60 80
Capacitive Load, C (pF)
L
100
200
160
120
80
40
0
–40
–80
–120
–160
–200
SMALL SIGNAL TRANSIENT RESPONSE
(G = +1)
Time (5ns/div)
LARGE SIGNAL TRANSIENT RESPONSE
(G = +1)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
Time (5ns/div)
6
3
0
–3
–6
–9
1M
CLOSED-LOOP BANDWIDTH (G = +1)
SO-8 Bandwidth
= 560MHz
DIP Bandwidth
= 520MHz
10M
100M
Frequency (Hz)
1G
12
9
6
3
0
–3
–6
–9
–12
1M
CLOSED-LOOP BANDWIDTH (G = +2)
SO-8/DIP Bandwidth = 140MHz
10M
100M
Frequency (Hz)
1G
20
17
14
11
8
5
2
–1
1M
CLOSED-LOOP BANDWIDTH (G = +5)
SO-8/DIP Bandwidth = 37MHz
10M
100M
Frequency (Hz)
1G
®
5 OPA650

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OPA650 arduino
TYPICAL APPLICATION
402
402
Video
Input
OPA650
75
FIGURE 7. Low Distortion Video Amplifier.
7575Transmission Line
75
VOUT
J2
–In
R3
R2
J1
+In
R6
R5
R8
R4
402
C1
2.2µF
+
C3
0.1µF
27
3 OPA650
4
R7
C2
0.1µF
C4
+ 2.2µF
6 R1 J1
Out
1
+5V
2
GND
P1
1 GND
2
–5V
P2
NOTE: Values for R1, R3, R5, R6, and R7 are chosen according to desired gain.
FIGURE 8. Layout Detail For DEM-OPA65xP Demonstration Board.
®
11 OPA650

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